Java 使用OSXAAdapter导致应用程序延迟或终止的JAR绑定器
我创建了一个简单的Java应用程序,在连续10秒的时间里,每秒钟向Java 使用OSXAAdapter导致应用程序延迟或终止的JAR绑定器,java,macos,swing,jarbundler,Java,Macos,Swing,Jarbundler,我创建了一个简单的Java应用程序,在连续10秒的时间里,每秒钟向JTable添加一个新行。它由三个类组成 程序启动后调用的主类 public class JarBundlerProblem { public static void main(String[] args) { System.err.println("Initializing controller"); new Controller(); } } 创建G
JTable
添加一个新行。它由三个类组成
程序启动后调用的主类
public class JarBundlerProblem {
public static void main(String[] args)
{
System.err.println("Initializing controller");
new Controller();
}
}
创建GUI并通过doWork()
public class Controller {
public Controller()
{
doWork(null);
}
public static void doWork(String s)
{
GUI gui = new GUI();
for (int i=0; i<10; i++)
{
gui.addRow("Line "+(i+1));
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
由于我是为OS X开发的,我需要能够将我的应用程序与特定的文件类型相关联(比如.jarbundlerproblem
),因此我必须使用将我的JAR
文件绑定到应用程序中。我成功地做到了这一点,我的应用程序打开,数到十,每秒都写出来
现在,为了这个问题
默认情况下,双击.jarbundlerproblem
,并将文件与我的应用程序关联,不会将我双击的文件作为参数传递给应用程序。显然,这只是OSX上的Java工作
因为我需要能够看到双击了哪个文件,所以我使用的是苹果公司为此制作的Java库。这是通过更改我的Controller
类的构造函数实现的,并添加了另一个方法registerForMacOSXEvents()
:
但是在这个(微小的)修改之后,我的应用程序开始出现问题。有时,它不会打开,尽管我可以在控制台中看到它刚刚启动(初始化控制器
已写入),但在几次尝试后,它最终会启动,但在前10秒钟内窗口将完全空白,然后添加10行
帮助
现在,我已经对此做了相当多的努力,似乎没有太多关于OSXAAdapter和Jar Bundler的文档。我做错了什么?或者我不应该首先使用OSXAAdapter或Jar Bundler吗?看起来您正在阻止(EDT)。这将是一个更好的选择,但是这个示例实现了Runnable
附录:你可以看看这个架构的例子。它还展示了如何在不使用JAR Bundler的情况下构建macos应用程序包。更多关于MVC的信息可以找到
另一方面,本例展示了一种自动滚动JTable
的方法。点击拇指暂停滚动;释放以继续
附录:您的应用程序在启动时延迟10秒。由于这是控制器睡眠的确切时间,它肯定是在EDT上睡眠。一份报告将是决定性的。相反,在另一个线程上进行工作,并在EDT上更新模型SwingWorker
有一个自动执行此操作的process()
方法,或者您可以使用invokeLater()
,如下所示。在应用程序正确同步之前,让Apple事件正常运行的希望很小
附录:您可以在控制器中调用进行检查。引用的项目包括一个带有Mac应用程序的.dmg
和一个ant
文件,该文件通过targetdist2
就地构建捆绑包
附录:另见所示的备选方法
导入java.awt.BorderLayout;
导入java.awt.Dimension;
导入java.awt.EventQueue;
导入java.awt.Rectangle;
导入java.awt.event.ActionEvent;
导入java.awt.event.AdjustmentEvent;
导入java.awt.event.AdjustmentListener;
导入javax.swing.AbstractAction;
导入javax.swing.JButton;
导入javax.swing.JFrame;
导入javax.swing.JPanel;
导入javax.swing.JProgressBar;
导入javax.swing.JScrollBar;
导入javax.swing.JScrollPane;
导入javax.swing.JTable;
导入javax.swing.table.DefaultTableModel;
/** @seehttps://stackoverflow.com/questions/7519244 */
公共类TableAddTest扩展JPanel实现可运行{
私有静态最终整数N_行=8;
私有静态字符串[]头={“ID”,“String”,“Number”,“Boolean”};
private DefaultTableModel dtm=新的DefaultTableModel(空,标题){
@凌驾
公共类getColumnClass(int-col){
返回getValueAt(0,col).getClass();
}
};
专用JTable表=新JTable(dtm);
私有JScrollPane scrollPane=新JScrollPane(表);
private JScrollBar vScroll=scrollPane.getVerticalScrollBar();
private JProgressBar jpb=新的JProgressBar();
私人int row;
私有布尔值自动滚动;
公共TableAddTest(){
此.setLayout(新的BorderLayout());
jpb.setUndeterminate(真);
add(jpb,BorderLayout.NORTH);
维度d=新维度(320,N_行*table.getRowHeight());
表.setPreferredScrollableViewportSize(d);
对于(int i=0;iimport javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
public class GUI {
private JFrame frame = new JFrame();
private DefaultTableModel model = new DefaultTableModel();
private JTable table = new JTable(model);
private JScrollPane pane = new JScrollPane(table);
public GUI()
{
model.addColumn("Name");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(pane);
frame.pack();
frame.setVisible(true);
}
public void addRow(String name)
{
model.addRow(new Object[]{name});
}
}
public Controller()
{
registerForMacOSXEvents();
//doWork(null);
}
public void registerForMacOSXEvents() {
try {
OSXAdapter.setFileHandler(this, getClass().getDeclaredMethod("doWork", new Class[] { String.class }));
} catch (Exception e) {
System.err.println("Error while loading the OSXAdapter:");
e.printStackTrace();
}
}
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;
import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.JScrollBar;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
/** @seehttps://stackoverflow.com/questions/7519244 */
public class TableAddTest extends JPanel implements Runnable {
private static final int N_ROWS = 8;
private static String[] header = {"ID", "String", "Number", "Boolean"};
private DefaultTableModel dtm = new DefaultTableModel(null, header) {
@Override
public Class<?> getColumnClass(int col) {
return getValueAt(0, col).getClass();
}
};
private JTable table = new JTable(dtm);
private JScrollPane scrollPane = new JScrollPane(table);
private JScrollBar vScroll = scrollPane.getVerticalScrollBar();
private JProgressBar jpb = new JProgressBar();
private int row;
private boolean isAutoScroll;
public TableAddTest() {
this.setLayout(new BorderLayout());
jpb.setIndeterminate(true);
this.add(jpb, BorderLayout.NORTH);
Dimension d = new Dimension(320, N_ROWS * table.getRowHeight());
table.setPreferredScrollableViewportSize(d);
for (int i = 0; i < N_ROWS; i++) {
addRow();
}
scrollPane.setVerticalScrollBarPolicy(
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
vScroll.addAdjustmentListener(new AdjustmentListener() {
@Override
public void adjustmentValueChanged(AdjustmentEvent e) {
isAutoScroll = !e.getValueIsAdjusting();
}
});
this.add(scrollPane, BorderLayout.CENTER);
JPanel panel = new JPanel();
panel.add(new JButton(new AbstractAction("Add Row") {
@Override
public void actionPerformed(ActionEvent e) {
addRow();
}
}));
this.add(panel, BorderLayout.SOUTH);
}
private void addRow() {
char c = (char) ('A' + row++ % 26);
dtm.addRow(new Object[]{
Character.valueOf(c),
String.valueOf(c) + String.valueOf(row),
Integer.valueOf(row),
Boolean.valueOf(row % 2 == 0)
});
}
private void scrollToLast() {
if (isAutoScroll) {
int last = table.getModel().getRowCount() - 1;
Rectangle r = table.getCellRect(last, 0, true);
table.scrollRectToVisible(r);
}
}
@Override
public void run() {
while (true) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
addRow();
}
});
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
scrollToLast();
}
});
try {
Thread.sleep(1000); // simulate latency
} catch (InterruptedException ex) {
System.err.println(ex);
}
}
}
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
TableAddTest nlt = new TableAddTest();
f.add(nlt);
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
new Thread(nlt).start();
}
});
}
}
public class GUI {
private JFrame frame = new JFrame();
private DefaultTableModel model = new DefaultTableModel();
private JTable table = new JTable(model);
private JScrollPane pane = new JScrollPane(table);
public GUI() {
model.addColumn("Name");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(pane);
frame.pack();
frame.setVisible(true);
}
public void addRow(String name) {
model.addRow(new Object[] { name });
}
/**
* Controller is a SwingWorker.
*/
public static class Controller extends SwingWorker<Void, String> {
private GUI gui;
private List<String> pending;
public Controller() {
gui = new GUI();
}
public void doWork(String newLine) {
if (pending == null) {
pending = new ArrayList<String>();
pending.add(newLine);
execute();
} else {
pending.add(newLine);
}
}
@Override
protected Void doInBackground() throws Exception {
while (pending.size() > 0) {
publish(pending.remove(0));
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
return null;
}
/**
* @inherited <p>
*/
@Override
protected void process(List<String> chunks) {
for (String object : chunks) {
gui.addRow(object);
}
}
}
/**
* Simulating the adapter.
*
* Obviously, the real-thingy wouldn't have a reference
* to the controller, but message the doWork refectively
*/
public static class Adapter implements Runnable {
Controller controller;
public Adapter(Controller controller) {
this.controller = controller;
}
@Override
public void run() {
for (int i=0; i<10; i++)
{
controller.doWork("Line "+(i+1));
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
public static void main(String[] args)
{
System.err.println("Initializing controller");
new Adapter(new Controller()).run();
}
@SuppressWarnings("unused")
private static final Logger LOG = Logger.getLogger(GUI.class.getName());
}
import java.awt.EventQueue;
import java.util.List;
import java.util.Random;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingWorker;
import javax.swing.table.DefaultTableModel;
public class GUI {
private static final Random rnd = new Random();
private JFrame frame = new JFrame();
private DefaultTableModel model = new DefaultTableModel();
private JTable table = new JTable(model);
private JScrollPane pane = new JScrollPane(table);
public GUI() {
model.addColumn("Name");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(pane);
frame.pack();
frame.setVisible(true);
}
public void addRow(String name) {
model.addRow(new Object[]{name});
}
/**
* Controller is a SwingWorker.
*/
private static class Controller extends SwingWorker<Void, String> {
private static final int MAX = 5;
private GUI gui;
private BlockingQueue<String> pending =
new ArrayBlockingQueue<String>(MAX);
public Controller() {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
gui = new GUI();
}
});
}
private void doWork(String newLine) {
try {
pending.put(newLine);
} catch (InterruptedException e) {
e.printStackTrace(System.err);
}
}
@Override
protected Void doInBackground() throws Exception {
while (true) {
// may block if nothing pending
publish(pending.take());
try {
Thread.sleep(rnd.nextInt(500)); // simulate latency
} catch (InterruptedException e) {
e.printStackTrace(System.err);
}
}
}
@Override
protected void process(List<String> chunks) {
for (String object : chunks) {
gui.addRow(object);
}
}
}
/**
* Exercise the Controller.
*/
private static class Adapter implements Runnable {
private Controller controller;
private Adapter(Controller controller) {
this.controller = controller;
}
@Override
public void run() {
controller.execute();
int i = 0;
while (true) {
// may block if Controller busy
controller.doWork("Line " + (++i));
try {
Thread.sleep(rnd.nextInt(500)); // simulate latency
} catch (InterruptedException e) {
e.printStackTrace(System.err);
}
}
}
}
public static void main(String[] args) {
System.out.println("Initializing controller");
// Could run on inital thread via
// new Adapter(new Controller()).run();
// but we'll start a new one
new Thread(new Adapter(new Controller())).start();
}
}